House Speaker John Boehner, R-Ohio, discusses the sequester Tuesday on Capitol Hill. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

President Obama speaks Tuesday about the sequester in Newport News, Va. Steve Helber/AP hide caption

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Sen. Lindsey Graham of South Carolina voices his opposition to President Obama's choice of former Sen. Chuck Hagel of Nebraska as secretary of defense, on Capitol Hill last week. J. Scott Applewhite/AP hide caption

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Four F-16s from the 77th Fighter Squadron of Shaw Air Force Base fly over Darlington Raceway before a NASCAR race in Darlington, S.C., in May 2012. Geoff Burke/Getty Images for NASCAR hide caption

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Joint Chiefs of Staff Chairman Martin Dempsey (from left), Deputy Secretary of Defense Ashton Carter and Undersecretary of Defense and Comptroller Robert Hale wait for a hearing of the Senate Armed Services Committee on Tuesday. Military leaders are warning Congress about the effects of the sequester. Brendan Smialowski/AFP/Getty Images hide caption

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Vice President Joe Biden participates in a round-table discussion on gun violence at Virginia Commonwealth University with Sen. Tim Kaine, D-Va., on Friday. The panelists included people who worked on gun safety after the 2007 Virginia Tech shooting. Steve Helber/AP hide caption

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Republican Rep. Tim Huelskamp, shown in June 2012, says the U.S. won't default unless the president chooses to let it happen. John Hanna/AP hide caption

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Vice President Joe Biden shows the certificate of the Electoral College vote for Ohio to House Speaker John Boehner during a joint session of Congress on Friday. Susan Walsh/AP hide caption

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House Speaker John Boehner, R-Ohio, joined by House Majority Leader Eric Cantor, R-Va., speaks to reporters about the "fiscal cliff" negotiations at the Capitol on Friday. J. Scott Applewhite/AP hide caption

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House Speaker John Boehner pauses during a news conference Thursday. House GOP leaders abruptly canceled a vote on his measure after they failed to round up enough votes for it to pass. Jacquelyn Martin/AP hide caption

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Rep. Tim Huelskamp, R-Kan., shown in 2010, has said he would deserve a primary challenge if he voted for House Speaker John Boehner's "fiscal cliff" proposal, which would extend the Bush-era tax cuts only on income of less than $1 million. John Hanna/AP hide caption

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House Speaker John Boehner appears at a news conference after a House Republican conference meeting Wednesday on Capitol Hill. Alex Wong/Getty Images hide caption

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A screen grab from an ad by the Defend My Dividend campaign, which is funded by utilities and other companies. They don't support a proposed increase in taxes from investment income. YouTube hide caption

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